baber/WOPTO huggingface dataset:
Patent GB-1521849-A (GB)
Title: Data reading system
IPC: G06K7/10
Filed: 1976-08-09
Abstract: 1521849 Data reading system NCR CORP 9 Aug 1976 [8 Sept 1975] 33038/76 Heading G4M A system for reading data recorded in the form of optical gratings has a source of radiation 124 directing radiation to a record medium 30 e.g. a credit card carrying optical gratings. Detectors 34 are situated to detect diffracted beams and a reflector 106 is situated to reflect a zero order diffracted beam from an inclined record medium so that the reflected beam generates a diffracted beam which is detected by a detector. Light from the source passes through an opening 107 in the reflector. A zero order diffracted from a correctly positioned record medium is returned to the source and a first order beam is detected by one of the detectors. If the record medium is inclined at an angle #, the zero order beam is diffracted at an angle # to the normal to be reflected from the reflector at R. The centre of the reflector is such that the beam O is a normal to the reflector surface and is reflected back to the record medium. The reflected beam produces a zero order diffraction O<SP>1</SP> and a first order diffraction 1091 which is detected by detector 110 which would have detected the first order diffraction if the record medium had not been inclined. If the record medium is inclined and displaced along axis 26 the reflected beam produces a first order diffraction beam at a small angle to the beam from the non-displaced medium. The detector is provided with a sufficiently large area to detect the beam for a small range of displacement and inclination, e.g. Œ2.5 mm. displacement and up to 4 degrees tilt. The record medium is guided by guides 149 and driven by roller 33. The medium has a plurality of areas containing diffraction gratings (Figs. 3, 4, not shown) and has a magnetic track. Each area has two superimposed gratings arranged at different angles to each other and having a line pitch of either 350 lines/mm or 600 lines/mm. Data from the magnetic track and from the gratings are compared to check validity.
Patent GB-444830-A (GB)
Title: Improvements in trunk communication electric cables
IPC: H01B11/00
Filed: 1934-11-16
Abstract: 444,830. Cables. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Nov. 16, 1934, No. 33067. Convention date, Nov. 16, 1933. [Class 36] In a trunk communication cable having an extruded waterproof sheath arranged within an armour sheath and in which the cable core is insulated with a dielectric, such as polystyrol or polyvinyl chloride, which is detrimentally affected by heat at the temperature of extrusion of the sheath, the insulated core is surrounded by a thin electrically conductive layer between which and the waterproof sheath is arranged a thicker layer of a material which protects the insulation of the core against heat during the extrusion of the waterproof sheath and which is itself unaffected by said heat. The protective layer may consist of metal wool, spun or plaited metal strands, or other metal structure having a large heat reflecting or dissipating surface ; or a material of low heat conductivity, such as paper, asbestos, or spun glass, may form the protective layer. The thin electrically conductive layer, which serves primarily for restricting the electric field of the core to the heat sensitive dielectric material and which may consist of a metallized impregnated paper strip, may be polished externally and internally. In the construction shown, a cable core 1 having polystyrol insulation 2 is surrounded by a conductive layer 3, consisting of a helically wound metal tape, which has a polished outer surface and over which is applied a layer 4 of closely wound asbestos cord adapted to protect the insulation 2 during the extrusion on the layer 4 of a lead sheath 5. An armouring 6 of round wires, which may be insulated from the sheath 5, completes the cable.
Patent GB-1213256-A (GB)
Title: Dolomitic refractories
Inventor: MONTGOMERY DANIEL
IPC: C04B35/01
Filed: 1969-07-01
Abstract: 1,213,256. Dolomitic refractories. BASIC Inc. 1 July, 1969, No. 33110/69. Heading ClJ. Dolomitic refractories are obtained by mixing dead-burned grains of dolomite or a dolomite magnesia mixture with a carbonaceous binder capable of pyrolytic decomposition and sulphur, shaping and tempering. 0.01-2% of sulphur is specified and tempering is at 250-1000‹ F. Carbon black, graphite or hard pitch are optional. Pitch, coal tar and asphalt are the binders mentioned. Carbon bonded refractories result on further heating.
Patent GB-1309520-A (GB)
Title: Process for the preparation of salts of dithiophosphoric acid ester amides
IPC: C07F9/24
Filed: 1971-07-15
Abstract: 1309520 Preparation of dithiophosphoric esteramide salts BAYER AG 15 July 1971 [15 July 1970] 33209/71 Heading C2P Compounds of the Formula I where R and R<SP>1</SP> are C 1-12  alkyl or cycloalkyl, optionally substituted one or more times by halogen, cyano, alkoxy and/or alkylthio, or are C 2-6  alkenyl, and M<SP>(+)</SP> is an equivalent of alkali metal, alkaline earth metal or optionally substituted ammonium, are prepared by reacting a compound of Formula II with hydrogen sulphide and an amine or an ammonium, alkali metal or alkaline earth metal compound at 0 to 100 C. The reaction is preferably carried out in the presence of a solvent or diluent.
Patent GB-432405-A (GB)
Title: A process for dissolving rubber for the manufacture of paints, varnishes and like products and for insulating purposes
IPC: C09D107/00
Filed: 1934-11-21
Abstract: A process for dissolving rubber, in the manufacture of paints and other coating-compositions, consists in heating a mixture of a neutral oil and rosin to 300 DEG  F., adding a drier, further heating to 540 DEG  F., adding rubber, and further heating until the rubber has dissolved.  Suitable oils are wood oil, boiled linseed oil, or a mixture of both, and the final heating is preferably effected at 600--650 DEG  F.  Specified driers are cobalt linoleate and other linoleates and resinates.
Patent GB-494630-A (GB)
Title: Improvements in or relating to sponge rubber and methods of manufacturing the same
IPC: C08L21/00
Filed: 1937-12-03
Abstract: Sponge rubber is made by mixing rubber with gas-generating agents such as sodium bicarbonate and vulcanizing ingredients, impregnating with carbon dioxide under pressure, heating, to cause the agent to give off gas and releasing the pressure or subjecting to partial vacuum, while continuing to raise the temperature to cause vulcanization which may take place according to the process described in Specification 472,646.
Patent GB-1517297-A (GB)
Title: Sewing machines
IPC: D05B3/04
Filed: 1975-08-12
Abstract: 1517297 Sewing machine UNION SPECIAL CORP 12 Aug 1975 [12 Aug 1974] 33499/75 Heading DIG  An automatic sewing machine comprises a sewing needle 14, pivotal arm means having a work holder 16 movable relatively to the needle, first and second drive means 20, 18 to pivot and extend the arm means and first and second means connecting the drive means to the arm means, has those drive means each disposed in a fixed position relative to the needle. The sewing machine is that disclosed in Specification 1517296.
Patent GB-824262-A (GB)
Title: Improvements in milling cutters
Inventor: BULL ARTHUR LEONARD
IPC: B23C5/24
Filed: 1955-11-23
Abstract: 824,262. Milling cutters. MILNES Ltd., H. Nov. 16, 1956 [Nov. 23, 1955], No. 33601/55. Class 83 (3). A face milling cutter comprises peripheral slots containing blades 16, each having serrations extending substantially parallel to the cutter axis and held in engagement with mating serrations on a side face of the slot by a tangential force exerted by screws 19.
Patent GB-154599-A (GB)
Title: Improvements in elastic fluid turbines
IPC: F01D5/30
Filed: 1920-11-29
Abstract: 154,599. Aktieselskabet Atlas. May 27, 1918, [Convention date], Blades.-A locking-piece 1 for closing the aperture through which the blade roots 5 are introduced into the rotor groove, has a securing-bolt 2 formed integral with it and adapted to pass through the rim of the rotor and to be secured thereto by a nut 3.
Patent GB-1423328-A (GB)
Title: Method of producing gases containing sulphur dioxide
IPC: C01B17/50
Filed: 1974-07-31
Abstract: 1423328 Sulphur dioxide METALLGESELLSCHAFT AG 31 July 1974 [21 Aug 1973] 33884/74 Heading C1A Gases containing sulphur dioxide are produced by treating hydrogen sulphide or a gas containing same with oleum in the presence of sulphur. The molar proportion of H 2 S to S may be from 1: 20 to 20 : 1. The oleum may have a content of dissolved free SO 3  of 20-30% by weight. The reaction may be performed at 40-160 C.
Patent GB-605176-A (GB)
Title: Improvements in or relating to cots, seats and cupboards
IPC: A47D9/00
Filed: 1945-12-17
Abstract: 605,176. Cots. HASTINGS, B. Dec. 17, 1945, No. 34152. [Classes 52(ii) and 52 (iii)] A cot A can rock about lugs D in slots E formed in supports b<1>, b<2> on a base structure which provides a seat G and a cupboard with sliding doors. The cot can be made watertight to serve as a bath.
Patent GB-212646-A (GB)
Title: The manufacture of mosaic-like tiles from linoleum or like material
IPC: D06N7/00
Filed: 1922-12-14
Abstract: 212,646. Linoleum Manufacturing Co., Ltd., and Godfrey, A. A. Dec. 14, 1922. Facing tiles; ornamenting tiles.-Holes are punched in a sheet of linoleum or the like, and pieces punched out of a second sheet are then forced into the holes in the first. The apparatus consists of grid-like moulds A, C, a grid D, and a plate E having plungers F. A sheet of linoleum G is placed as shown and punched. The second sheet is then put between the grids C and D, and the punching action repeated, the plungers being withdrawn when the punched-out pieces have been forced down into the holes in the lower sheet. The tiles thus produced may be laid upon a backing to form a continuous sheet.
Patent GB-301084-A (GB)
IPC: H01R39/58
Filed: 1928-11-21
Abstract: 301,084. Siemens - Schuckertwerke Akt.-Ges. Nov. 25, 1927, [Convention date]. Brushes; indicators and alarms, applications of. - A brush contains a medium so that when the brush becomes worn there are generated vapours which may be detected by the eyes and nose. The medium is contained in a slot 6 or may saturate the end of the brush 1.
Patent GB-1491677-A (GB)
Title: Emergency lighting systems
IPC: F21V25/12
Filed: 1974-10-16
Abstract: 1491677 Battery emergency lighting system R B W LOWNDES 16 Oct 1974 [18 July 1973] 34328/73 Heading F4R In an emergency lighting system which is proof against fire and internal explosion and which comprises an electric battery and at least one light unit 14 contained within a cabinet having a transparent cover 10 secured to a housing 12 by a screw thread, the threaded engagement between the cover and housing comprises at least five full threads and there is a gap between the mating threads of 0À002 inch to permit the gradual, and safe, escape of gases to the atmosphere in the event of an internal explosion. The light unit 14 is adjustably mounted on a universal joint 15 and the housing 12 locates a rechargeable battery unit and battery charger.
Patent GB-196334-A (GB)
Title: Electrolytic iron
IPC: C25C1/06
Filed: 1921-12-22
Abstract: Anode liquid from an electrodepositing cell is used for lixiviating iron ores, scrap iron, or the like, any ferric salts in the solution being reduced either before or during the lixiviation.  When scrap iron or certain sulphide ores such as pyrites, pyrrhotite, or marcasite are treated, the reduction takes place during lixiviation. With other sulphide ores, and with oxide ores such as limonite, haematite, or magnetite, the anode liquid is reduced before leaching, for instance as described in Specifications 194,638 and 194,639. Leaching of the finely-divided ore may be effected at a temperature of 70 DEG  C. or more.  A counter-current method may be used.
Patent GB-733843-A (GB)
Title: Improvements in current supply arrangements for electric flashing signal lamps of motor vehicles
IPC: B60Q1/38
Filed: 1953-12-11
Abstract: 733,843. Retractive switches; switches held set and freed mechanically. HOLLINS, J. R. Dec. 11, 1953, No. 34554/53. Class 38 (5). [Also in Group XXXVIII] The subject-matter is substantially the same as disclosed in Specification 733,842, but the flasher 50 is now formed as a change-over switch, by the provision of a back contact 62 over which one pair of lamps (40, 45) are supplied when the actuating member 20 has been moved into position for simultaneous operation of the switches 30, 30<SP>1</SP>. The other pair of lamps (40<SP>1</SP>, 451) are supplied over the front contact 52 of the flasher, so that the two pairs flash alternately and overloading of the contacts of the flasher is thus avoided. The back contact 62 is ineffective during normal directional signalling by the selective actuating member 15, flashing of each of the selected pair of lamps being then controlled by the front contact 52.
Patent GB-820353-A (GB)
Title: Improvements in or relating to a face mask combined with a periscopic device for swimmers
IPC: B63C11/16
Filed: 1957-11-06
Abstract: 820,353. Diving masks. GIRDEN, B. B. Nov. 6, 1957, No. 34557/57. Class 68(2) [Also in Group XX] A face mask for under-water swimmers is adapted for water-tight engagement at least about the swimmier's eyes and has a face plate in the direct line of vision therefrom and is combined with a periscope having upper and lower reflecting surfaces of which the latter is arranged in the swimmer's direct line of vision. As shown, the face mask has an elliptical frame 12 integral with a rearwardly extending flange 13, the inner edge of which is shaped to fit the contours of the swimmer's face. A transparent plate 16 is hermetically sealed in frame 12 and the mask is held on the face by strap 18. Extending through a water-tight aperture 21 in the flange is a periscope 20 formed from an opaque tube having transparent parts 24, 25 and containing mirrors 32, 33. The tube is so arranged on the face mask that mirror 33 is the line of sight of the swimmer through the plate 16 so that the swimmer can simultaneously view above and below water. Also coupled to the mask in water-tight fashion is a breathing tube 34 having a float controlled inlet.
Patent GB-196652-A (GB)
Title: Improvements in block signalling systems
IPC: B61L23/12
Filed: 1921-12-23
Abstract: 196,652. Yseboodt, G., and Mautsch, R. Dec. 23, 1921. Combined electrical and mechanical systems, non- automatic; hand levers and hand gearing. - A blocksignalling system of the type in which a lever is released by a three-phase asynchronous motor, the characteristics of which are reversed at 'each operation so as to necessitate the reversal of two of the phases at the forward station before the next operation, is provided with means at the rear station to allow a successive operation only if a releasing lever at the forward station is returned to normal, thereby reversing two phases. At the forward station B, switches 10, 11 supply current from a three-phase generator 8 to a motor 6 at the rear station A through a device 12, which changes two of the phases and the direction of the motor for each operation. The motor 6 rotates a cam 15 so that one of the notches 51, 52 allows a lock 14 to release a lever 7 operating a signal 5 controlling the entry of trains into the section from the station A to the station B. The lever 7 rotates a notched disc 18 moving two levers 19, 20, the ends of which co-operate with an arm 50 to prevent successive movements of the cam 15 in the same direction, thus compelling the operator at the station 8 to return the transmitter 9 to normal so as to reverse the direction of the motor at the next operation. The return of the lever 7 to normal restores the cam 15 to normal by the engagement of one of the projections 28, 35 with an arm 31. In a modification the motor runs always in the same direction, the lever 7 operating a phase-changing device on each forward movement, thereby necessitating a second change over at the transmitter before a successive operation can take place.. Friction devices 25 may be provided and serve to damp the movement of the motor when the cam 15 meets the stops 26, 27.
Patent GB-932035-A (GB)
Title: A method of manufacturing inlaid veneers for use in marquetry
IPC: B27M3/04
Filed: 1960-10-10
Abstract: 932,035. Veneers. J. M. MULLOR. Oct. 10, 1960 [Oct. 10, 1959], No. 34612/60. Class 145. A method of making patterned wood veneers consists in colouring all or some of a number of veneers or blocks or selecting a number of veneers or blocks of different natural colours, gluing such elements 2, 3 in a desired colour arrangement to form a unit as shown in Fig. 3, cutting this unit in a direction different from that of the planes of the elements constituting the unit, gluing the elements 5 so formed in a selected design to reconstitute the unit, and then cutting this unit to form veneers 10 with the desired pattern. The original veneers or blocks are cut from a block or board which has been steamed or boiled and when they are to be coloured use is made of aniline dyes. First stage cutting may be effected obliquely instead of longitudinally of the unit, and the designs may incorporate cylindrical or triangular rods. The finished designs may have a marbled effect as shown at 16, Fig. 10, by cutting them from a unit in which the individual layers are each formed of blocks or veneers of different colours.
Patent GB-641994-A (GB)
Title: Improvements in and relating to high voltage electric gas blast circuit breakers
IPC: H01H33/32
Filed: 1947-12-30
Abstract: 641,994. Gas-blast t circuit breakers. BRITISH THOMSON-HOUSTON CO., Ltd., VEALE, R. H., and ROXBURGH, A. Dec. 30, 1947, No. 34763. [Class 38(v)] The circuit-breaker of Specification 561,157 is modified in that the escape of supply gas to atmosphere is prevented when the blast valve is supplying gas to the contacts. Gas is normally supplied to container 1 from pipe 9 through passages 10, the insulating pipe 7, and a spring- loaded, non-return valve 23. When the circuit-breaker is to be opened, an electromagnet 12 is energized to open a poppet valve 11 so that gas through pipe 14 moves piston 15, and therefore pilot-valve-member 16, to the left. This action closes supply pipe 9 to cut off the supply to the container and at the same time exhausts the lower face of blast valve 3 to atmosphere through an opening 17, so that the valve 3 opens and gas passes through an opening 20 to the contact housing 4. The valve 3 is released by admitting gas directly from the supply by means of an auxiliary valve 21 which is opened by the opening movement of the contacts, thereby opening the right-hand side of piston 15 to atmosphere, so that the valve-member 16 is returned to its normal position by a spring 22.
Patent GB-339759-A (GB)
IPC: G01R13/08
Filed: 1929-11-14
Abstract: 339,759. Associated Electrical Industries, Ltd., (Assignees of Macgahan, P.). Nov. 14, 1928, [Convention date]. Relay devices.-In a recording electric meter, the pen is moved by a motor controlled by the deflection of the galvanometer, through photoelectric cells, and is connected to the galvanometer so that it moves in such a direction as to balance the galvanometer torque and thereby bring the moving system back to its normal position. The invention is shown applied to an instrument for recording the temperature of a furnace 1 by means of thermo-couple 2 connected to the moving coil 3 of a millivoltmeter 4. The movable coil 3 carries a mirror 19 which, when deflected from its central position, reflects a beam of light from a lamp 21 on to one or other of two photo-electric cells 14, 15, depending on the direction of the deflection. The cells 14, 15 are connected to an alternating current supply circuit 18 and to starting anode tubes 16, 17. These are of the Rentschler type and comprise a gas-filled envelope, a cold cathode of large area, an auxiliary anode and a main anode so arranged that a discharge between the main anode and the cathode may be initiated by starting a discharge at a lower voltage between the auxiliary anode and the cathode. A counterclockwise deflection of the coil 3 causes illumination of the cell 14 which acts as a circuitclosing relay to energize the tube 17 and thereby close the circuit of a motor 13 so as to move a carriage 11 to the left. This rotates an arm 8 which is pivoted in a fixed support 9 and connected to the movable coil 3 by a spring 10. When the arm 8 has moved sufficiently to balance the torque of the moving coil, the latter is brought back to its normal position and the illumination of the cell 14 ceases, thereby stopping the motor 13. A record is made by a pen 31 carried by the carriage 11. Clockwise deflection of the coil 3 causes illumination of the cell 15 which, through the tube 16, causes reverse rotation of the motor- 13 so as to bring the coil 3 back to normal position.
Patent GB-1243439-A (GB)
Title: Display apparatus for position-finding equipment working on the echo principle
IPC: G01S7/22
Filed: 1969-07-11
Abstract: 1,243,439. Radar. FRIED KRUPP G.m.b.H. 11 July, 1969 [12 July, 1968], No. 35126/69. Heading H4D. Electronic bearing markers are produced on a radar P.P.I. via a store which operates in synchronism with the rotation of the radar aerial (and hence with the rotation of the range time base of the P.P.I.). In the embodiment a manually settable bearing index causes writing into a magnetic store which rotates in synchronism with the aerial. Erasure may be arranged. In addition a light pen placed over a selected echo on the P.P.I. may initiate a stored signal. The markers may be full or dot-dash lines, to identify selected targets.
Patent GB-840270-A (GB)
Title: Improvements in extrusion presses
IPC: B21C23/21
Filed: 1957-11-12
Abstract: 840,270. Extruding. SCHLOEMANN A.G. Nov. 12, 1957 [Nov. 28, 1956], No. 35190/57. Class 83 (4). An extrusion press for forming hollow products has a piercing mandrel 40, a press ram 37 carried by a cross-head 20, a longitudinally displaceable billet container 4 connected rigidly with a sliding cross-bar 21 arranged behind the crosshead, and an alignment surface 21a on, or secured to, the cross-bar 21 adapted to be pressed against an alignment surface 20a on the cross-head for aligning the container with the press ram. The container 4 is mounted in a holder 14 connected by rods 17, 19 with the cross-bar 21 which is moved forwardly by plungers 24 in hydraulic cylinders 26 and is retracted by plungers 30 in hydraulic cylinders 31 which plungers act on cross-heads 29 connected by rods 27 with the cross-bar 21. Ram 37 is secured to the main press plunger 32 located in the cross-head 20 and working in a main cylinder 8. The ram is retracted by plungers 35 working in cylinders 36. Piercing mandrel 40 may be rigid with the ram or may be driven relatively thereto by a separate hydraulic motor. Before extrusion begins pressure is admitted to cylinders 36 to slightly retract the cross-head 20 and then to cylinders 26 to advance the cross-bar 21 whereby the alignment surfaces 20a, 21a are pressed together and, due to the larger area of pistons 24, both the cross-bar and cross-head are moved to the left to press the container 4 against the bolster 1 and extrusion die 3. In another embodiment, Figs. 6-12 (not shown), the cross-bar is located behind the main cylinder and is connected with the container holder by rods having shoulders forming an alignment surface which contacts the alignment surface of the cross-head. The press may be horizontal or vertical.